Alright, I do have in the plans to an electric fan and new exhaust. I'm just looking to see what I can do internally while I have the chance here an now to do it. I'm certainty not afraid to run mid-grade fuel for sure, and even premium if its only a few bucks more a fill up in the little truck if its going to net some decent performance. And like you said better fuel keeps the engine cleaner too. So you think I could port the head and mill it a few with an indexing cam gear would be worth it? Since you have done it do you feel it was worth doing?